Chesapeake Energy Corporation (NYSE: CHK) today announced that it is commencing a public offering of $1.0 billion of Senior Notes due 2019. Chesapeake intends to use the net proceeds from the offering for general corporate purposes. Pending such use, Chesapeake plans to use the net proceeds from the offering to repay amounts outstanding under its revolving bank credit facility, which it anticipates reborrowing from time to time to meet capital expenditure initiatives.

The notes are being offered pursuant to a shelf registration statement filed August 3, 2010 with the U.S. Securities and Exchange Commission. Chesapeake intends to list the notes on the New York Stock Exchange after issuance. BofA Merrill Lynch and Morgan Stanley & Co. LLC will act as lead book-running managers for the notes offering. Copies of the prospectus relating to the offering may be obtained from BofA Merrill Lynch at 4 World Financial Center, 7th Floor, New York, NY 10080, attention: Prospectus Department, by telephone at 1-800-294-1322 or by email at dg.prospectus_requests@baml.com or Morgan Stanley & Co. LLC, Attn: Prospectus Department, 180 Varick Street, 2nd Floor New York, NY 10014, by telephone at (866) 718-1649 or by email at prospectus@morganstanley.com. An electronic copy of the preliminary prospectus supplement will be available on the website of the Securities and Exchange Commission at www.sec.gov.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction.

This news release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, including the expected consummation of the offering described and the use of proceeds. Forward-looking statements give our current expectations or forecasts of future events. Although we believe our forward-looking statements are reasonable, they can be affected by inaccurate assumptions or by known or unknown risks and uncertainties, and actual results may differ from the expectations expressed. We caution you not to place undue reliance on our forward-looking statements, which speak only as of the date of this news release, and we undertake no obligation to update this information.

Chesapeake Energy Corporation (NYSE:CHK) is the second-largest producer of natural gas, a Top 15 producer of oil and natural gas liquids and the most active driller of new wells in the U.S.Headquartered in Oklahoma City, the company's operations are focused on discovering and developing unconventional natural gas and oil fields onshore in the U.S.Chesapeake owns leading positions in the Barnett, Haynesville, Bossier, Marcellus and Pearsall natural gas shale plays and in the Granite Wash, Cleveland, Tonkawa, Mississippi Lime, Bone Spring, Avalon, Wolfcamp, Wolfberry, Eagle Ford, Niobrara, Frontier, Codell, Three Forks/Bakken and Utica unconventional liquids plays.The company has also vertically integrated its operations and owns substantial midstream, compression, drilling, trucking, pressure pumping and other oilfield service assets directly and indirectly through its subsidiaries Chesapeake Midstream Development, L.P. and Chesapeake Oilfield Services, L.L.C. and its affiliate Chesapeake Midstream Partners, L.P. (NYSE:CHKM).Further information is available at www.chk.com where Chesapeake routinely posts announcements, updates, events, investor information, presentations and news releases.